extract dubbo spring cloud remove methods

spring-cloud-alibaba-dubbo/src/main/java/com/alibaba/cloud/dubbo/metadata/repository/DubboServiceMetadataRepository.java

@@ -297,12 +297,15 @@ public class DubboServiceMetadataRepository
 	}
 
 	/**
-	 * Remove the metadata of Dubbo Services if no there is no service instance.
+	 * Remove the metadata and initialized service of Dubbo Services if no there is no
+	 * service instance.
 	 * @param serviceName the service name
 	 */
-	public void removeInitializedService(String serviceName) {
+	public void removeMetadataAndInitializedService(String serviceName) {
 		synchronized (monitor) {
 			initializedServices.remove(serviceName);
+			dubboRestServiceMetadataRepository.remove(serviceName);
+			subscribedDubboMetadataServiceURLs.remove(serviceName);
 		}
 	}
 
@@ -644,11 +647,6 @@ public class DubboServiceMetadataRepository
 		dubboMetadataConfigServiceProxy.initProxy(serviceName, version);
 	}
 
-	public void removeMetadata(String serviceName) {
-		dubboRestServiceMetadataRepository.remove(serviceName);
-		subscribedDubboMetadataServiceURLs.remove(serviceName);
-	}
-
 	@Override
 	public void setApplicationEventPublisher(
 			ApplicationEventPublisher applicationEventPublisher) {

spring-cloud-alibaba-dubbo/src/main/java/com/alibaba/cloud/dubbo/registry/AbstractSpringCloudRegistry.java

@@ -224,8 +224,7 @@ public abstract class AbstractSpringCloudRegistry extends FailbackRegistry {
 
 		if (CollectionUtils.isEmpty(serviceInstances)) {
 			dubboMetadataConfigServiceProxy.removeProxy(serviceName);
-			repository.removeInitializedService(serviceName);
-			repository.removeMetadata(serviceName);
+			repository.removeMetadataAndInitializedService(serviceName);
 			dubboGenericServiceFactory.destroy(serviceName);
 			if (logger.isWarnEnabled()) {
 				logger.warn(